Keep It Clean To Benefit Waterkeeper Alliance Live Earth Day Comedy Benefit

President of the Board of the Waterkeeper Alliance Robert F. Kennedy, Jr.and Sarah Silverman backstage at the Keep It Clean To Benefit Waterkeeper Alliance Live Earth Day Comedy Benefit on April 22, 2015 in Los Angeles, California.
(April 21, 2015 - Source: Rich Polk/Getty Images North America) more pics from this album »